<!DOCTYPE HTML>
<html xmlns:th='https://www.thymeleaf.org'>
<head>
  <title>My Product Configurator</title>
  <meta http-equiv='Content-Type' content='text/html; charset=UTF-8'/>
</head>
<body>
  <form action='#' th:action='@{/admin}' th:object='${versionRange}' method='post'>
    <p>From Version: <input type='text' th:field='*{fromVersion}'/></p>
    <p>To Version:   <input type='text' th:field='*{toVersion}'/></p>
    <p><input type='submit' value='Submit'/></p>
  </form>
</body>
</html>